I think we all have to agree...
Here are my cards. I've used Unity on the 10.10 netbook release, and IMHO it sucks big time. I've not tried 11.04 (yet) and admit that there is a good chance that it will work better but I don't normally run Betas, as I have enough to do in my life without having to fight bugs that other people take it upon themselves to find.
I am in "the desk top is there to control as many windows as I need" camp, and as a result, Unity is completely against the way I work.
But, and this is a big but, I am not a typical modern non-technical user. I work everyday with people who maximise whatever they are doing on their 22" 16x9 screen, work with tabbed terminal sessions in Konsole rather than multiple windows, and generally do one thing at a time. These are either OSX and iPad generation, or (bizarrely) people who have come from the green-screen single session terminal age and who have never felt comfortable in a windowed environment.
Having seen both of the above struggle to switch from one application to another, I believe that my multiple windows spread in a consistent manner across several desktops is better. But that's my opinion. I believe that I work faster than them, but again, that's my opinion.
I think that it's fair to say that Unity works well for those people who work in the way that Unity works, and it does not work for those who don't. By hey! This is a big world, and not everyone is the same.
I think it is necessary to explore new interfaces, as I am sure that I would not necessarily want Gnome or KDE as they are now on a touch-screen device. But having also been an Android user for around 6 months now, I'm not sure I would be happy with that on a tablet either, at least not on one that is more powerful than my netbook.
So I am happy that there is a new interface being tried, and even that it is the default (as long as they get the bugs out and make the alternative easy to choose). I just don't want to be forced to use it without jumping through hoops of fire if it doesn't suit me, and I would be grateful if others accepted that this is a perfectly valid viewpoint.